import java.util.Scanner;
public class Example3_4 {
	public static void main (String args[]) {
	  int number = 0;
	  System.out.println("输入正整数（回车确定）:");
	  Scanner reader = new Scanner(System.in);
      number = reader.nextInt();
      switch(number) {
        case 9:
        case 131:
        case 12:  System.out.println(number+"是三等奖");
                  break;
        case 209:
        case 596:
        case 27:  System.out.println(number+"是二等奖");
                  break;
        case 875:
        case 316:
        case 59:  System.out.println(number+"是一等奖");
                  break;
        default:  System.out.println(number+"未得奖");
                  
      }
	}
}